<?php 
	$str = 'World';
	echo "Hello $str<br>";
	echo 'Hello $str<br>';
	echo "Hi\tthere<br>";
	echo 'Hi\tthere<br>';

	$myStr = "
		By the way, it's easy to specify multi-line strings in PHP. 
		To do this, just insert newlines into the string 
		literal between the quotation marks.<br>
	";
	echo $myStr;

	$str1 = "cat";
	echo "My favourite animals are {$str1}s";

	//You can use this curly bracket syntax to insert more complex variable values, such as array element
	//values and object properties.
	$arr["age"] = 34;
	echo "My age is {$arr["age"]}";
?>